英文關鍵字
automated
cnc
cut
cutter
cutting
energy
engineering
equipment
factory
fire
flame
gas
hot
industrial
industry
iron
laser
light
machine
machinery
manufacture
manufacturing
metal
metalwork
plasma
production
sheet
spark
steel
technology
tool
work
英文關鍵字
automated
cnc
cut
cutter
cutting
energy
engineering
equipment
factory
fire
flame
gas
hot
industrial
industry
iron
laser
light
machine
machinery
manufacture
manufacturing
metal
metalwork
plasma
production
sheet
spark
steel
technology
tool
work